It was a cold and snowy day in Toronto.
We were brainstorming in the basement of the local university’s advanced power electronics research lab. Ironically, the conversation was focused on heat – not actually generating it for warmth, but...

Power electronic system and circuit designers have more choices in power process technologies. Silicon-based devices continue to evolve, but there is also an increasing option to use wide-bandgap material technologies such as gallium nitride (GaN) and...

High-fidelity (hi-fi) audio is becoming more and more popular among music fans and movie buffs, from portable speakers to high-end, in-home audio to automotive systems. And from the A to Z of classifications for audio power amplifiers, Class-D amplifiers...

What do you, me and your second cousin twice removed have in common? Together, we are directly and indirectly influencing technology. More specifically, together we are creating a need for high voltage. Two trends drive the need for high voltage: electrification...

The 2017 Applied Power Electronics Conference (APEC) did not disappoint. The annual pilgrimage to the premier global event in power electronics was full of ideas, implementations and illuminations. Let me share some of the key takeaways from the energizing...

IHS recently reported that “the world market for merchant power supplies rose 7.7 percent year over year to reach $23.5 billion in 2016.” Although the number and ratings of power supplies were not reported, this amounts to a huge amount of...

Reviewing this year’s program of events for APEC in Tampa, Florida, on March 26-30 provoked a few nostalgic memories. Back in 1994, I attended my first APEC conference at Disney World in Orlando, Florida, and was impressed to see so many power electronics...

Unlike switched-mode power supplies, three-phase motor-drive inverters generally use low switching frequencies; only a few tens of kilohertz. High-power motors were large with high inductance windings; therefore, the current ripple was acceptable even...

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